Latest Issue of Science News

5/2/15 Cover

News

Sunshine vitamin diminishes risk of colds, flu

People with asthma and other preexisting lung diseases face an especially exaggerated year-round risk from a deficiency

By
7:08pm, February 23, 2009

Getting plenty of vitamin D — more than diet can offer — appears to provide potent protection against colds, flu and even pneumonia, a new study reports. Although the amount of protection varies by season, the trend is solid: As the amount of vitamin D circulating in blood climbs, risk of upper respiratory tract infections falls.

This article is available only to subscribing members. Join SSP today or Log in.

More from Science News